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Intermediate-energy inverse-kinematics one-proton pickup reactions on neutron-deficient f p-shell nuclei

McDaniel, S, Gade, A, Tostevin, JA, Baugher, T, Bazin, D, Brown, BA, Cook, JM, Glasmacher, T, Grinyer, GF, Ratkiewicz, A and Weisshaar, D (2012) Intermediate-energy inverse-kinematics one-proton pickup reactions on neutron-deficient f p-shell nuclei PHYSICAL REVIEW C, 85. ISSN 0556-2813

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Abstract

Background: Thick-target-induced nucleon-adding transfer reactions onto energetic rare-isotope beams are an emerging spectroscopic tool. Their sensitivity to single-particle structure complements one-nucleon removal reaction capabilities in the quest to reveal the evolution of nuclear shell structure in very exotic nuclei. Purpose: Our purpose is to add intermediate-energy, carbon-target-induced one-proton pickup reactions to the arsenal of γ-ray-tagged direct reactions applicable in the regime of low beam intensities and to apply these for the first time to fp-shell nuclei. Methods: Inclusive and partial cross sections were measured for the 12C(48Cr,49Mn+γ)X and 12C(50Fe,51Co+γ)X proton pickup reactions at 56.7 and 61.2 MeV/nucleon, respectively, using coincident particle-γ spectroscopy at the National Superconducting Cyclotron Laboratory. The results are compared to reaction theory calculations using fp-shell-model nuclear structure input. For comparison with our previous work, the same reactions were measured on 9Be targets. Results: The measured partial cross sections confirm the specific population pattern predicted by theory, with pickup into high-ℓ orbitals being strongly favored, driven by linear and angular momentum matching. Conclusion: Carbon-target-induced pickup reactions are well suited, in the regime of modest beam intensity, to study the evolution of nuclear structure, with specific sensitivities that are well described by theory.

Item Type: Article
Additional Information: ©2012 American Physical Society
Related URLs:
Divisions: Faculty of Engineering and Physical Sciences > Physics
Depositing User: Symplectic Elements
Date Deposited: 17 May 2012 10:10
Last Modified: 05 Nov 2014 14:33
URI: http://epubs.surrey.ac.uk/id/eprint/217916

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